40737020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33391}}^1$

素因数の和:33461

約数の個数: 24

約数和(自身を含む): 86952768

約数和(自身を除く): 46215748

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 33391, 66782, 133564, 166955, 333910, 667820, 2036851, 4073702, 8147404, 10184255, 20368510, 40737020]

約数ペア:

[(1, 40737020), (2, 20368510), (4, 10184255), (5, 8147404), (10, 4073702), (20, 2036851), (61, 667820), (122, 333910), (244, 166955), (305, 133564), (610, 66782), (1220, 33391)]